
 \draw[magenta] 
  (0.000000, 7.447299) -- 
 (1.000000, 6.759520) -- 
 (2.000000, 6.069099) -- 
 (3.000000, 4.806343) -- 
 (4.000000, 3.656798) -- 
 (5.000000, 2.558586) -- 
 (6.000000, 1.924093) ; 
 
 
 \draw  (0.000000, 7.447299) node {$\triangle$}; 
 \draw  (1.000000, 6.759520) node {$\triangle$}; 
 \draw  (2.000000, 6.069099) node {$\triangle$}; 
 \draw  (3.000000, 4.806343) node {$\triangle$}; 
 \draw  (4.000000, 3.656798) node {$\triangle$}; 
 \draw  (5.000000, 2.558586) node {$\triangle$}; 
 \draw  (6.000000, 1.924093) node {$\triangle$}; 
